/*
 * Copyright 2011 Stefan Ferstl
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.code.debmavenplugin.archiver.ar;

import java.io.File;
import java.util.Collections;
import java.util.Date;
import java.util.LinkedHashSet;
import java.util.Set;

import com.google.code.debmavenplugin.archiver.AbstractCollectingFileFilter;
import com.google.code.debmavenplugin.archiver.ArchiveMetaData;
import com.google.code.debmavenplugin.archiver.ArchiveMetaData.ArchiveEntryMetaData;


/**
 * <p>
 * File filter to collect &quot;ar&quot; archive entries.
 * </p>
 * <strong>Limitation:</strong> This file filter currently creates only files
 * with userId=0 and groupId=0;
 */
public class ArArchiveCollectingFileFilter extends AbstractCollectingFileFilter<FileArArchiveEntry> {

  private Set<FileArArchiveEntry> archiveContent;

  /**
   * Constructor.
   *
   * @param metaData The archive's metadata.
   * @param useRelativePaths <code>true</code> to create relative paths for the
   * archive entries, <code>false</code> else.
   */
  public ArArchiveCollectingFileFilter(ArchiveMetaData metaData, boolean useRelativePaths) {
    super(metaData, useRelativePaths);
    this.archiveContent = new LinkedHashSet<FileArArchiveEntry>();
  }

  /**
   * {@inheritDoc}
   */
  @Override
  protected void collectFile(File file) {
    String archivePath = createPath(getMetaData().getBaseDirectory(), file);
    ArchiveEntryMetaData entryMetaData = getMetaData().getEntryMetaData(file);
    int fileMode = entryMetaData.getFileMode() != null ? entryMetaData.getFileMode() : 0;
    FileArArchiveEntry archiveEntry = new FileArArchiveEntry(file, archivePath, 0, 0, fileMode, new Date().getTime() / 1000);
    this.archiveContent.add(archiveEntry);
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public Set<FileArArchiveEntry> getCollectedFiles() {
    return Collections.unmodifiableSet(this.archiveContent);
  }

}
